Submitted Name Save Type Surname (from given name & from location) Usage French (Cajun), Welsh Pronounced Pron. trə-HAHN(Cajun French) tra-han(Welsh) [key·IPA] Other Forms FormsTrahern, Trahaearn Edit Status Status [show contributorhide contributor] Added 2/26/2020 by zodipunc Meaning & History From the Welsh name Trahern, derived from the Welsh family seat Trehaverne.